Thread (2 messages) flat view 2 messages, 2 authors, 2021-12-16

Re: [PATCH net] net: systemport: Add global locking for descriptor lifecycle

From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-12-16 20:51:47
Also in: lkml

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski [off-list ref]:

On Wed, 15 Dec 2021 12:24:49 -0800 you wrote:
The descriptor list is a shared resource across all of the transmit queues, and
the locking mechanism used today only protects concurrency across a given
transmit queue between the transmit and reclaiming. This creates an opportunity
for the SYSTEMPORT hardware to work on corrupted descriptors if we have
multiple producers at once which is the case when using multiple transmit
queues.

[...]
Here is the summary with links:
  - [net] net: systemport: Add global locking for descriptor lifecycle
    https://git.kernel.org/netdev/net/c/8b8e6e782456

You are awesome, thank you!
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